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Income Taxes - Provision for Income Taxes (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Provision for income taxes      
Federal $ 40.3 $ 50.1 $ 153.7
State and local 1.4 1.1 22.9
Foreign 87.9 59.6 86.5
Provision for income taxes $ 129.6 $ 110.8 $ 263.1